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The table below lists all train services departing London St Pancras International (d STP) and arriving in Harpenden (a HPD) for the specified time period. Also shown is the percentage of the time that each service arrived in Harpenden no more than 5 minutes late, as well as the average arrival time of each service in Harpenden. To see actual times click here.

Explanation

The statistic '% Arrivals RT-5m late' is the percentage of the time that the service arrived no more than 5 minutes late in the time period covered by this search (between Tue 28 Aug 2018 and Tue 20 Nov 2018).

By this measure the best performing services are the 15:34, 15:37, 16:07, 16:21, 16:34, 16:37, 17:04, 17:07, 17:21, 17:34, 17:37, 18:04, 18:07, 18:34, 18:37 and 18:51 departures from London St Pancras International, which arrived no more than 5 minutes late 100% of the time.

When looking at the average arrival time remember it is just the average. Sometimes the service arrived earlier than this, sometimes later. For example, to see some actual arrival times for each service click here.

To amend your search, scroll down to the search form below. For a more detailed search example and walkthrough, please see the Help page.

Train Operating Company (TOC) Key

TL

Govia Thameslink Railway (Thameslink)

Timings Key

d STP

Scheduled departure time from London St Pancras International

a HPD

Scheduled arrival time in Harpenden

Dur

Duration i.e. scheduled journey time

RT

Right Time i.e. 0 minutes late

xL

x minutes late, e.g. 3L = 3 minutes late

*23:50

For scheduled times, asterix indicates either departure on theprevious day or arrival on the following day.

11:15

For actual times, the reported arrival time of the service.

11:15

For actual times, italics indicates that the arrival time has beeninterpolated based on reports from stations before/after.

CANC/NR

Service cancelled (or, rarely, service ran but no report logged).

RAN/NR

Service ran but no report logged at your from/to stations.

Unknown

Either no data or incomplete data is available for this particulartime period due to a system outage.

Summary by Date

Date

% Arrivals

RT-5m late

Mon 19/11

71%

Sun 18/11

88%

Sat 17/11

62%

Fri 16/11

75%

Thu 15/11

93%

Wed 14/11

86%

Tue 13/11

89%

Mon 12/11

70%

Sun 11/11

100%

Sat 10/11

75%

Fri 09/11

93%

Thu 08/11

93%

Wed 07/11

14%

Tue 06/11

52%

Mon 05/11

86%

Sun 04/11

100%

Sat 03/11

100%

Fri 02/11

82%

Thu 01/11

89%

Wed 31/10

86%

Tue 30/10

71%

Mon 29/10

89%

Sun 28/10

100%

Sat 27/10

100%

Fri 26/10

71%

Thu 25/10

54%

Wed 24/10

75%

Tue 23/10

62%

Mon 22/10

79%

Sun 21/10

100%

Sat 20/10

100%

Fri 19/10

100%

Thu 18/10

75%

Wed 17/10

93%

Tue 16/10

67%

Mon 15/10

96%

Sun 14/10

100%

Sat 13/10

100%

Fri 12/10

93%

Thu 11/10

68%

Wed 10/10

93%

Tue 09/10

96%

Mon 08/10

96%

Sun 07/10

93%

Sat 06/10

100%

Fri 05/10

100%

Thu 04/10

100%

Wed 03/10

96%

Tue 02/10

100%

Mon 01/10

93%

Sun 30/09

100%

Sat 29/09

88%

Fri 28/09

93%

Thu 27/09

83%

Wed 26/09

86%

Tue 25/09

96%

Mon 24/09

75%

Sun 23/09

100%

Sat 22/09

100%

Fri 21/09

22%

Thu 20/09

71%

Wed 19/09

95%

Tue 18/09

96%

Mon 17/09

89%

Sun 16/09

100%

Sat 15/09

88%

Fri 14/09

75%

Thu 13/09

89%

Wed 12/09

89%

Tue 11/09

86%

Mon 10/09

89%

Sun 09/09

100%

Sat 08/09

88%

Fri 07/09

96%

Thu 06/09

74%

Wed 05/09

44%

Tue 04/09

89%

Mon 03/09

93%

Sun 02/09

100%

Sat 01/09

75%

Fri 31/08

78%

Thu 30/08

100%

Wed 29/08

89%

Tue 28/08

89%

Data Completeness

Data for this time period is approximately 98% complete.

Data is missing for approximately 8 hours out of the 340 hours in the time period being searched.

Data is missing due to the following outages in the time period of this search:

19 Sep 11:30 to 17:05: CACI Open Data Platform Instability

19 Sep 17:05 to 18:20: CACI Open Data Platform Outage

19 Sep 18:20 to 23:45: CACI Open Data Platform Instability

07 Oct 16:40 to 16:55: CACI Open Data Platform Instability

16 Oct 17:50 to 19:35: CACI Open Data Platform Outage

26 Oct 16:55 to 17:25: CACI Open Data Platform Instability

06 Nov 19:40 to 19:55: CACI Open Data Platform Instability

09 Nov 17:05 to 18:20: CACI Open Data Platform Instability

Summary

1967 services have been found, of which 0 services have been discarded due to incomplete data.

Grouping has resulted in 99 schedules, of which 46 schedules (= 61 services) have been hidden as specified in the search criteria.

Data Source and Validity

Recent Train Times is not part of Network Rail or the Rail Delivery Group and is not an official rail industry body. Nor is Recent Train Times a source of official rail performance information / statistics.